Nonlocal Shubnikov-de Haas oscillations through edge and bulk currents in GaAs/AlGaAs mesoscopic quantum wires

K. Tsukagoshi, K. Oto, S. Takaoka, K. Murase, Y. Takagaki, K. Gamo, S. Namba

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The nonlocal Shubnikov-de Haas (SdH) oscillations in GaAs/AlGaAs mesoscopic multi-terminal wires have been measured. The ampitude of the oscillations decreases in general with increasing nonlocal separation length (ΔL) between the nominal current path and the voltage probes. The amplitude also becomes weak, when there exist branches with electrodes between the current and the voltage probes which have ostensibly nothing to do with the voltage measurement. The behavior is interpreted by the combination of the edge and bulk current at high magnetic fields.

Original languageEnglish
Pages (from-to)797-800
Number of pages4
JournalSolid State Communications
Volume80
Issue number10
DOIs
Publication statusPublished - 1991 Dec
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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